Discovering Java EE Microservices @ CybercomDEV 2016

A common pattern when building systems based on distributed services is Service Discovery. And that is where SnoopEE comes in. It is a 100% Java EE alternative to solutions like Spring Cloud Eureka. Just as simple and at least as powerful. Using SnoopEE let you benefit from the full power of the JavaEE platform without the need of more 3rd party frameworks.
SnoopEE was released last year and presented at JavaOne it has developed even further to provide a lean, non-intrusive ecosystem for Java EE based microservices. In this session, these new features will be presented.
The slides for this session will be backed up by a demo to show key concepts and tools.
The demo will use core technologies of the Java EE platform, such as CDI Extensions, WebSockets, JAX-RS and even use MVC 1.0 (JSR 371).
Information, documentation and source for SnoopEE can be found here: http://snoopee.agilejava.eu

Transcript

1. @ivar_grimstad #SnoopEE - CybercomDEV 2016 Discovering Java EE Microservices Ivar Grimstad Principal Consultant, Cybercom Sweden with SnoopEE
2. @ivar_grimstad #SnoopEE - CybercomDEV 2016 @ivar_grimstad https://github.com/ivargrimstad https://www.linkedin.com/in/ivargrimstad http://lanyrd.com/profile/ivargrimstad/
3. @ivar_grimstad #SnoopEE - CybercomDEV 2016 Agenda Microservices Service Discovery SnoopEE - a Discovery Service for Java EE
4. @ivar_grimstad #SnoopEE - CybercomDEV 2016 Microservices
5. @ivar_grimstad #SnoopEE - CybercomDEV 2016 Monolithic Architecture Monolithic Application
6. @ivar_grimstad #SnoopEE - CybercomDEV 2016 Monolithic Architecture
7. @ivar_grimstad #SnoopEE - CybercomDEV 2016 Monolithic Architecture Monolithic Application
8. @ivar_grimstad #SnoopEE - CybercomDEV 2016 Microservice Architecture Service A Service B Service C Application Call A Call B Call C
9. @ivar_grimstad #SnoopEE - CybercomDEV 2016 Microservice Architecture
10. @ivar_grimstad #SnoopEE - CybercomDEV 2016 Microservice Architecture Service A Service B Service C Application Call A Call B Call C
11. @ivar_grimstad #SnoopEE - CybercomDEV 2016 Packaging
12. @ivar_grimstad #SnoopEE - CybercomDEV 2016 Containers
13. @ivar_grimstad #SnoopEE - CybercomDEV 2016 Java EE Container Java EE Container Java EE Application (WAR) bean bean bean
14. @ivar_grimstad #SnoopEE - CybercomDEV 2016 Spring Based Servlet Container Spring Application (WAR) Spring 4 Context bean bean bean
15. @ivar_grimstad #SnoopEE - CybercomDEV 2016 Embedded Container Spring Boot Application (JAR) Spring 4 Context bean bean bean Servlet Container
16. @ivar_grimstad #SnoopEE - CybercomDEV 2016 Hardware Operating System JVM Application
17. @ivar_grimstad #SnoopEE - CybercomDEV 2016 Hardware Operating System JVM Java EE Container Application
18. @ivar_grimstad #SnoopEE - CybercomDEV 2016
19. @ivar_grimstad #SnoopEE - CybercomDEV 2016 Hardware Operating System JVM Application Hardware Operating System JVM Java EE Container Application
20. @ivar_grimstad #SnoopEE - CybercomDEV 2016 Hardware Operating System JVM Application Hardware Operating System JVM Java EE Container Application
21. @ivar_grimstad #SnoopEE - CybercomDEV 2016 Discovering Microservices
22. @ivar_grimstad #SnoopEE - CybercomDEV 2016 Service A Service B Service C Application Call A Call B Call C
23. @ivar_grimstad #SnoopEE - CybercomDEV 2016 Service A Service B Service C Application Discovery Service Register Register Register
24. @ivar_grimstad #SnoopEE - CybercomDEV 2016 Service A Service B Service C Application Discovery Service Register Register Register Lookup A Call A
25. @ivar_grimstad #SnoopEE - CybercomDEV 2016 Service A Service B Service C Application Discovery Service Register Register Register Lookup B Call B
26. @ivar_grimstad #SnoopEE - CybercomDEV 2016 Service A Service B Service C Application Discovery Service Register Register Register Lookup B
27. @ivar_grimstad #SnoopEE - CybercomDEV 2016 Introducing SnoopEE
28. @ivar_grimstad #SnoopEE - CybercomDEV 2016 Background
29. @ivar_grimstad #SnoopEE - CybercomDEV 2016 Inspired by Eureka
30. @ivar_grimstad #SnoopEE - CybercomDEV 2016 Service B Service A Service C Application Eureka Discovery Service Register Register Register @EnableEurekaClient Hardware Operating System JVM Service A Hardware Operating System JVM Service B Hardware Operating System JVM Service C
31. @ivar_grimstad #SnoopEE - CybercomDEV 2016 @SpringBootApplication @EnableEurekaClient public class Application { public static void main(String[] args) throws Exception { SpringApplication.run(Application.class, args); } }
32. @ivar_grimstad #SnoopEE - CybercomDEV 2016 Hardware Operating System JVM Service C Hardware Operating System JVM Service B Hardware Operating System JVM Service A Application SnoopEE Discovery Service Register Register Register Hardware Operating System JVM Java EE Container Service A Hardware Operating System JVM Java EE Container Service B Hardware Operating System JVM Java EE Container Service C @EnableSnoopClient
33. @ivar_grimstad #SnoopEE - CybercomDEV 2016 Hardware Operating System JVM Java EE Container Service A Hardware Operating System JVM Java EE Container Service C Hardware Operating System JVM Java EE Container Service B Application SnoopEE Discovery Service Register Register Register @EnableSnoopClient Hardware Operating System Service C Hardware Operating System JVM Service B Future<Snoop>
34. @ivar_grimstad #SnoopEE - CybercomDEV 2016 The Philosophy of SnoopEE
35. @ivar_grimstad #SnoopEE - CybercomDEV 2016 Lean Non-intrusive Intuitive Configurable
36. @ivar_grimstad #SnoopEE - CybercomDEV 2016
37. @ivar_grimstad #SnoopEE - CybercomDEV 2016 SnoopEE
 Service Registration
38. @ivar_grimstad #SnoopEE - CybercomDEV 2016 @EnableSnoopClient(serviceName="hello")
39. @ivar_grimstad #SnoopEE - CybercomDEV 2016 @EnableSnoopClient(name = "hello") @ApplicationPath("api") public class ApplicationConfig extends Application { }
40. @ivar_grimstad #SnoopEE - CybercomDEV 2016 SnoopEE
 Service Lookup
41. @ivar_grimstad #SnoopEE - CybercomDEV 2016 @Snoop(serviceName="hello")
42. @ivar_grimstad #SnoopEE - CybercomDEV 2016 @Inject @Snoop(serviceName = "hello") private SnoopServiceClient helloService;
43. @ivar_grimstad #SnoopEE - CybercomDEV 2016 SnoopEE Service Consumption
44. @ivar_grimstad #SnoopEE - CybercomDEV 2016 SnoopServiceClient
45. @ivar_grimstad #SnoopEE - CybercomDEV 2016 @Inject @Snoop(serviceName = "hello") private SnoopServiceClient helloService;
46. @ivar_grimstad #SnoopEE - CybercomDEV 2016
47. @ivar_grimstad #SnoopEE - CybercomDEV 2016 String helloResponse = helloService.simpleGet("hello") .filter(r -> r.getStatus()==200) .map(r -> r.readEntity(String.class)) .orElse("goodbye");
48. @ivar_grimstad #SnoopEE - CybercomDEV 2016 SnoopEE Configuration
49. @ivar_grimstad #SnoopEE - CybercomDEV 2016 System Properties Environment Variables Application Configuration (snoop.yml)
50. @ivar_grimstad #SnoopEE - CybercomDEV 2016 snoop.yml snoop: host: http://localhost port: 8080 serviceRoot: snoop-hello-service/api snoopService: 192.168.59.103:8081/snoop-service/
51. @ivar_grimstad #SnoopEE - CybercomDEV 2016 The SnoopEE Protocol
52. @ivar_grimstad #SnoopEE - CybercomDEV 2016 Service A Service B Service C Application SnoopEE Discovery Service Call Call Call Lookup http:// Register ws:// Register ws:// Register ws://
53. @ivar_grimstad #SnoopEE - CybercomDEV 2016 DEMO !
54. @ivar_grimstad #SnoopEE - CybercomDEV 2016 Hello World Micro Hello World SnoopEE Discovery Service Register Register Register Lookup Call Call Call
55. @ivar_grimstad #SnoopEE - CybercomDEV 2016 Hello World Hello World SnoopEE Discovery Service Register Register Lookup Call Call Call Micro
56. @ivar_grimstad #SnoopEE - CybercomDEV 2016 Hello Swarm Micro Hello World SnoopEE Discovery Service Register Register Register Lookup Call Call Call
57. @ivar_grimstad #SnoopEE - CybercomDEV 2016 Summary
58. @ivar_grimstad #SnoopEE - CybercomDEV 2016 Getting Started with SnoopEE
59. @ivar_grimstad #SnoopEE - CybercomDEV 2016 1. Add Maven Dependency <dependency> <groupId>eu.agilejava</groupId> <artifactId>snoop</artifactId> <version>${snoop.version}</version> </dependency> <dependency> <groupId>eu.agilejava</groupId> <artifactId>snoop</artifactId> <version>1.3.0</version> </dependency>
60. @ivar_grimstad #SnoopEE - CybercomDEV 2016 2. SnoopEE-Enable the Service @EnableSnoopClient(serviceName="hello")
61. @ivar_grimstad #SnoopEE - CybercomDEV 2016 3. Configure the Service snoop: host: http://localhost port: 8080 serviceRoot: snoop-hello-service/api snoopService: 192.168.59.103:8081/snoop-service/
62. @ivar_grimstad #SnoopEE - CybercomDEV 2016 4. Configure the Application snoop: snoopService: 192.168.59.103:8081/snoop-service/
63. @ivar_grimstad #SnoopEE - CybercomDEV 2016 Is SnoopEE a Load Balancer?
64. @ivar_grimstad #SnoopEE - CybercomDEV 2016 Service A1 Service A2 Service C Application SnoopEE Discovery Service Register Register Lookup Call Call Load Balancer
65. @ivar_grimstad #SnoopEE - CybercomDEV 2016 Resources SnoopEE http://snoopee.agilejava.eu Samples https://github.com/ivargrimstad/snoop-samples Docker Images https://hub.docker.com/u/ivargrimstad
66. @ivar_grimstad #SnoopEE - CybercomDEV 2016 @EnableSnoopClient
67. @ivar_grimstad #SnoopEE - CybercomDEV 2016 www.cybercom.com